Stadium: Court 6 Round: 54 Ground: Hardcourt outdoor
| ITF M25 Anseong | 2023/06/21 03:40 | Hiroki Sakagawa v Duckhee Lee | 1-6,2-6 |
| ITF M25 Anseong | 2023/06/19 05:25 | Seung Woo Cho v Hiroki Sakagawa | 6-1,1-6,6-10 |
| ITF M25 Anseong | 2023/06/19 01:00 | Hyun Woo Cho v Hiroki Sakagawa | 6-4,2-6,4-10 |
| ITF M25 Anseong | 2023/06/18 01:00 | Hiroki Sakagawa v Jungmin Hwang | 6-0,6-2 |
| UTR Pro Tennis Series Texas | 2022/08/20 18:00 | Franco Ribero v Hiroki Sakagawa | 7-6,5-0 |
| UTR Pro Tennis Series Texas | 2022/08/18 19:30 | Hiroki Sakagawa v Alex Koong | 6-2,5-2 |
| UTR Pro Tennis Series Texas | 2022/08/17 18:00 | Callaway Clark v Hiroki Sakagawa | 0-6,6-4,7-6 |
| UTR Pro Tennis Series Texas | 2022/08/16 22:53 | Hiroki Sakagawa v Vishwa Aduru | 6-0,6-3 |
| ITF M15 Karuizawa | 2023/05/28 01:15 | Shunsuke Nakagawa v Shunrou Takeshima | 6-3,3-6,8-10 |
| ITF M15 Monastir | 2023/04/26 10:40 | Shunsuke Nakagawa v Aziz Ouakaa | 7-6,6-7,3-6 |
| ITF M15 Monastir | 2023/04/24 13:00 | Rayen Hermassi v Shunsuke Nakagawa | 2-6,1-6 |
| ITF M15 Monastir | 2023/04/24 08:00 | Shunsuke Nakagawa v Thomas George Brun | 6-2,6-3 |
| ITF M15 Monastir | 2023/04/20 09:30 | Ye Cong Mo v Shunsuke Nakagawa | 6-2,6-0 |
| ITF M15 Monastir | 2023/04/19 11:10 | Shunsuke Nakagawa v Szymon Kielan | 6-4,6-1 |
| ITF M15 Monastir | 2023/04/17 12:30 | Shunsuke Nakagawa v Omar Brigida | 6-1,7-5 |
| ITF M15 Monastir | 2023/04/17 08:00 | Sebastian Sorger v Shunsuke Nakagawa | 2-6,6-3,6-10 |